.todo_board_container
{
  width: 400px;
  height: 500px;
  border: 1px solid blue;
}

.todo_board_content
{
  width: 100%;
  height: 450px;
  border: 1px solid pink;
}

.todo_tool_bar
{
  width: 100%;
  height: 40px;
  border: 1px solid pink;
  display: inline-flex;
  justify-content: space-around;
  align-items: center;
}

.todo_item_container
{
  width: 90%;
  height: 40px;
  border: 1px solid red;
  display: inline-flex;
  justify-content: space-between;
  align-items: center;
}

.todo_item_checkbox
{
  width: 10%;
  height: 100%;
  display: inline-flex;
  justify-content: center;
  align-items: center;
}
